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Questions related from Adrij Roy
Dear researchers, I have a technical query regarding development of rating curve of tidal river. The tidal rivers are subjected to both tial influx of sea water as well as backwater effect during...
04 March 2024 1,222 0 View
Dear researchers, I am using Sentinel 3 SRAL level 2 Lan data for calculating water level for a tidal river in India. Can anyone share me some information about papers related to satellite...
26 February 2024 6,065 2 View
Hello researchers, I have a very confusing query. I am taking around 7-8 minutes just to run a few line codes using for loop. The raw file is in netCDF form, I am clueless why the code is taking...
23 February 2024 8,928 0 View
Hello researchers in the field of bathymetry, I have a request to uggest me how I can retreive river cross-section bathymetric data from .dwg file to excel file so that I can do the profile...
03 October 2023 1,216 0 View
Can anyone please tell me where shall I search for administrative maps of city in India? Atleast administrative level map of 2011 shall be there.
07 May 2023 5,908 3 View
Hello Researchers, I faced a problem while using Landsat 8 OLI surface reflectance product. The images of the same scene captured on different dates show very different contrast in colour. Any...
16 April 2020 7,333 2 View
Hello researchers, I am currently trying to make inundation maps for a coastal area. Now suppose sea-level rise is 1m for an area, the DEM cells which are less than or equal to 1m (considering sea...
12 January 2020 2,383 1 View
Hello Researchers, I have a question related to sea level rise in the coastal region of Gujarat. How can I assess the local sea-level rise for the coastal region of gujarat as there are many few...
22 November 2019 3,728 2 View
Hello Researchers, My second question related to sea-level rise: Can tide gauge data of stations lying outside the study area be used for guessing the coastal level sea-level? Mumbai has more...
22 November 2019 7,402 2 View
Can anyone help me to understand how to diffeentiate a LIDAR point cloud whose different point colours indicate different elevation levels? The point cloud has different colours corresponding to...
15 October 2019 543 4 View
Hello researchers, I have an issue with finding row numbers for which two or more string conditions are true. Please suggest relevant to Matlab. The task is easy with number indexing with for...
04 January 2019 8,564 0 View
Which of the two is better in terms of output& where are the application areas where they differ?
31 August 2018 5,536 9 View
Is Matlab a high level programming language or software? When I googled, I could different answers. Please suggest with explanation.
31 August 2018 3,165 2 View
I prepared a composite material. SEM images & EDX showed that there is a large change in the surface properties and also the chemical composition. Whereas by FTIR analysis, the peaks remained...
03 May 2018 2,844 7 View
Nowadays everybody is interested in doing software simulations. It is very good for mechanical or civil engineering in terms of designing & simulating various dynamic or static components. But...
09 February 2018 5,614 5 View
I searched on the internet and found many good journals which had their articles mentioning about triplicate studies. At the same time, I also found a handsome number of researches mentioning...
07 January 2018 542 2 View
In my recent project study, I am getting absorbance value for distilled water > 0 (mostly around 0.05). Distilled water free from all sort of ions or entities should show zero absorbance...
04 January 2018 4,033 12 View
Hello everyone, I have gone through various journal papers of photochemical processes for arsenic and found that several authors talk of 30 min stirring before the UV/Visible lights are 'on'. It...
27 December 2017 3,534 2 View
Anyone please give me a link to download WATERGEMS software trial version (atleast 1 month). Thanks.
26 December 2017 5,020 1 View
Can anyone attach the files of ASTM standards for double ring test? Is permeability same as saturated hydraulic conductivity?
18 December 2017 2,063 11 View
Can magnetic stirrer be used for batch adsorption study instead of BOD incubator? If yes, please cite any document, if not please tell the reasons? The solution of arsenic is treated with titanium...
16 December 2017 6,554 12 View
I am doing adsorption study with TiO2 for arsenite. But in dark experiment, I stirred the solution containing 100/200/500 ppb of arsenite for 30 min & then left those for 24 hrs. The results...
12 December 2017 4,706 9 View
I have got an equation of calibration using SDDC method of arsenic determination: y = 0.000x - 0.024 ( R² = 0.970) I have tried to both include/omit the blank values but everytime I do, the slope...
01 December 2017 8,461 8 View
As per standard method, SDDC is applicable for arsenite/arsenate solutions containing maximum 20 micro gram amount. As I don't have any other choice than SDDC, I have to rely on it. Now suppose I...
24 November 2017 5,499 3 View
Hello everyone, I have a question. Does the blank sample show different absorbance values (>10 % change) in different spectrophotometers using same procedure?
10 November 2017 6,559 8 View
If I make a wooden box with 1 side covered with a movable door made of glass will it be safe for working with UVA lights inside ?
21 September 2017 7,668 3 View
For citing in CV, if the impact factor is mentioned, which will be: impact factor at the time of publication or current impact factor?Suggestions are welcome.
04 September 2017 4,220 11 View
If I make a sodium arsenite solution with NaAsO2 in distilled water, later I want to measure the concentration using SDDC method, shall I preserve it with 1% nitric acid and refrigerate at 4o C?...
18 July 2017 1,510 12 View
Arsenic solution preparation
12 July 2017 458 7 View
